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Service bulletin B320725

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11019562
Published by NHTSA2025-06-17
Manufacturer's numberB320725
Manufacturer's date2025-06-11
NHTSA componentSUSPENSION

NHTSA's summary

Rattling/knocking noise from the front axle at low speeds of less than 15 mph. The noises are induced by driving over rough road surface or by brake operation. The noises occur during straight ahead driving or cornering.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension

Vehicles listed
BMW X52025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B0646252025-10-10. Other. Control Arm Return
B3702252025-06-17. Service campaign. The air line on the air suspension supply system may not be properly installed. In the event of a fault, residual pressure is maintained in the struts and corresponding check control message.
B6102252025-04-03. Service campaign. Due to unfavorable tolerances, the Power Control Unit (PCU) may switch off under heavy loads and nolonger charge the Lithium-Ion (Li-Ion) Auxiliary (AUX) battery. This leads to the failure of the roll stabilization,and loss of communication to the EARS modules (S 0421 & S 0422).